EP4221007A4 - Procédé et appareil de communication pour système de fidélité sans fil (wi-fi) - Google Patents

Procédé et appareil de communication pour système de fidélité sans fil (wi-fi) Download PDF

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Publication number
EP4221007A4
EP4221007A4 EP20957282.5A EP20957282A EP4221007A4 EP 4221007 A4 EP4221007 A4 EP 4221007A4 EP 20957282 A EP20957282 A EP 20957282A EP 4221007 A4 EP4221007 A4 EP 4221007A4
Authority
EP
European Patent Office
Prior art keywords
communication method
wireless fidelity
fidelity
wireless
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20957282.5A
Other languages
German (de)
English (en)
Other versions
EP4221007A1 (fr
Inventor
Wei Ruan
Wei Lin
Tingwu Wang
Xuqiang SHEN
Qian Wang
Muhu LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4221007A1 publication Critical patent/EP4221007A1/fr
Publication of EP4221007A4 publication Critical patent/EP4221007A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0086—Unequal error protection
    • H04L1/0089—Unequal error protection in payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0098—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20957282.5A 2020-10-16 2020-10-16 Procédé et appareil de communication pour système de fidélité sans fil (wi-fi) Pending EP4221007A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/121687 WO2022077504A1 (fr) 2020-10-16 2020-10-16 Procédé et appareil de communication pour système de fidélité sans fil (wi-fi)

Publications (2)

Publication Number Publication Date
EP4221007A1 EP4221007A1 (fr) 2023-08-02
EP4221007A4 true EP4221007A4 (fr) 2023-11-08

Family

ID=81208912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20957282.5A Pending EP4221007A4 (fr) 2020-10-16 2020-10-16 Procédé et appareil de communication pour système de fidélité sans fil (wi-fi)

Country Status (4)

Country Link
US (1) US20230254061A1 (fr)
EP (1) EP4221007A4 (fr)
CN (1) CN115462013A (fr)
WO (1) WO2022077504A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116781213B (zh) * 2023-08-17 2023-11-07 上海朗力半导体有限公司 基于索引调制传输的编码调制参数确定方法及服务设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190123849A1 (en) * 2016-05-04 2019-04-25 Telefonaktiebolaget Lm Ericsson (Publ) Transmitter, a receiver and respective methods performed thereby for communicating with each other
US20190199469A1 (en) * 2016-10-12 2019-06-27 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for transmitting data, receiving-end device, and transmitting-end device
WO2020187208A1 (fr) * 2019-03-18 2020-09-24 华为技术有限公司 Procédé et dispositif d'indication d'informations et système de transmission de données

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2702734A4 (fr) * 2011-04-28 2015-03-11 Intel Corp Procédés et agencements de communications dans des réseaux sans fil à faible puissance
WO2016028124A1 (fr) * 2014-08-21 2016-02-25 엘지전자(주) Procédé de transmission de données dans un système de communication sans fil et appareil associé
US11057253B2 (en) * 2015-02-02 2021-07-06 Lg Electronics Inc. Methods and apparatus for transmitting/receiving HE-SIG B
KR102493881B1 (ko) * 2015-03-06 2023-01-31 엘지전자 주식회사 무선 통신 시스템의 데이터 전송 방법 및 장치
US20170048034A1 (en) * 2015-08-10 2017-02-16 Qualcomm Incorporated Methods and apparatus for he-sigb encoding
CN108370285B (zh) * 2015-12-11 2020-12-11 马维尔国际有限公司 生成数据单元的物理层phy前导码字段的方法和装置
CN108370282A (zh) * 2015-12-16 2018-08-03 瑞典爱立信有限公司 发送通信设备、接收通信设备以及其中执行的包括映射星座符号的方法
WO2019045708A1 (fr) * 2017-08-30 2019-03-07 Intel IP Corporation Procédés et systèmes pour le wi-fi nouvelle génération

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190123849A1 (en) * 2016-05-04 2019-04-25 Telefonaktiebolaget Lm Ericsson (Publ) Transmitter, a receiver and respective methods performed thereby for communicating with each other
US20190199469A1 (en) * 2016-10-12 2019-06-27 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for transmitting data, receiving-end device, and transmitting-end device
WO2020187208A1 (fr) * 2019-03-18 2020-09-24 华为技术有限公司 Procédé et dispositif d'indication d'informations et système de transmission de données
EP3934140A1 (fr) * 2019-03-18 2022-01-05 Huawei Technologies Co., Ltd. Procédé et dispositif d'indication d'informations et système de transmission de données

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
LAN/MAN STANDARDS COMMITTEE OF THE IEEE COMPUTER SOCIETY: "P802.11ay(TM)/D4.1 Draft Standard for Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications", vol. 802.11ay drafts, no. D4.1, 19 August 2019 (2019-08-19), pages 1 - 792, XP068154561, Retrieved from the Internet <URL:http://www.ieee802.org/11/private/Draft_Standards/11ay/Draft%20P802.11ay_D4.1.pdf> [retrieved on 20190819] *
SAMSUNG: "Discussion on NR time/frequency tracking accuracy requirement", vol. RAN WG4, no. Spokane, Washington, USA; 20170403 - 20170407, 24 March 2017 (2017-03-24), XP051255883, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG4_Radio/TSGR4_82Bis/Docs/> [retrieved on 20170324] *
See also references of WO2022077504A1 *

Also Published As

Publication number Publication date
CN115462013A (zh) 2022-12-09
EP4221007A1 (fr) 2023-08-02
US20230254061A1 (en) 2023-08-10
WO2022077504A1 (fr) 2022-04-21

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